CN110912527B - 带通滤波器 - Google Patents

带通滤波器 Download PDF

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Publication number
CN110912527B
CN110912527B CN201910418186.5A CN201910418186A CN110912527B CN 110912527 B CN110912527 B CN 110912527B CN 201910418186 A CN201910418186 A CN 201910418186A CN 110912527 B CN110912527 B CN 110912527B
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CN
China
Prior art keywords
circuit unit
circuit
series
resonant
terminal
Prior art date
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Active
Application number
CN201910418186.5A
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English (en)
Chinese (zh)
Other versions
CN110912527A (zh
Inventor
李炯真
千成钟
金正楷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electro Mechanics Co Ltd
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Samsung Electro Mechanics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Samsung Electro Mechanics Co Ltd filed Critical Samsung Electro Mechanics Co Ltd
Publication of CN110912527A publication Critical patent/CN110912527A/zh
Application granted granted Critical
Publication of CN110912527B publication Critical patent/CN110912527B/zh
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Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01Frequency selective two-port networks
    • H03H7/0153Electrical filters; Controlling thereof
    • H03H7/0161Bandpass filters
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01Frequency selective two-port networks
    • H03H7/12Bandpass or bandstop filters with adjustable bandwidth and fixed centre frequency
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01Frequency selective two-port networks
    • H03H7/0115Frequency selective two-port networks comprising only inductors and capacitors
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H5/00One-port networks comprising only passive electrical elements as network components
    • H03H5/12One-port networks comprising only passive electrical elements as network components with at least one voltage- or current-dependent element
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01Frequency selective two-port networks
    • H03H7/17Structural details of sub-circuits of frequency selective networks
    • H03H7/1741Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/175Series LC in series path
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01Frequency selective two-port networks
    • H03H7/17Structural details of sub-circuits of frequency selective networks
    • H03H7/1741Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1758Series LC in shunt or branch path
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01Frequency selective two-port networks
    • H03H7/17Structural details of sub-circuits of frequency selective networks
    • H03H7/1741Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1766Parallel LC in series path
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01Frequency selective two-port networks
    • H03H7/17Structural details of sub-circuits of frequency selective networks
    • H03H7/1741Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1783Combined LC in series path
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01Frequency selective two-port networks
    • H03H7/17Structural details of sub-circuits of frequency selective networks
    • H03H7/1741Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1791Combined LC in shunt or branch path

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Filters And Equalizers (AREA)
CN201910418186.5A 2018-09-17 2019-05-20 带通滤波器 Active CN110912527B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020180110953A KR102691871B1 (ko) 2018-09-17 2018-09-17 대역 통과 필터
KR10-2018-0110953 2018-09-17

Publications (2)

Publication Number Publication Date
CN110912527A CN110912527A (zh) 2020-03-24
CN110912527B true CN110912527B (zh) 2024-04-02

Family

ID=69773379

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910418186.5A Active CN110912527B (zh) 2018-09-17 2019-05-20 带通滤波器

Country Status (3)

Country Link
US (1) US10749493B2 (ko)
KR (1) KR102691871B1 (ko)
CN (1) CN110912527B (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102685823B1 (ko) * 2021-09-15 2024-07-18 순천향대학교 산학협력단 광대역 필터

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110107085A (ko) * 2010-03-24 2011-09-30 주식회사 텔레웍스 적층형 고주파용 하이패스 필터
KR20110109619A (ko) * 2010-03-31 2011-10-06 한국전자통신연구원 통신 시스템에서 공진기 및 그를 이용한 필터
KR20160091261A (ko) * 2015-01-23 2016-08-02 가부시키가이샤 무라타 세이사쿠쇼 필터 장치

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140019467A (ko) * 2011-07-07 2014-02-14 후지쯔 가부시끼가이샤 가변 필터 장치 및 통신 장치
US9870855B2 (en) * 2014-11-03 2018-01-16 Qorvo Us, Inc. Multiplexers using weakly-coupled networks in RF front end circuitry
CN108028635B (zh) * 2015-09-09 2021-04-20 株式会社村田制作所 频率可变lc滤波器、高频前端电路

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110107085A (ko) * 2010-03-24 2011-09-30 주식회사 텔레웍스 적층형 고주파용 하이패스 필터
KR20110109619A (ko) * 2010-03-31 2011-10-06 한국전자통신연구원 통신 시스템에서 공진기 및 그를 이용한 필터
KR20160091261A (ko) * 2015-01-23 2016-08-02 가부시키가이샤 무라타 세이사쿠쇼 필터 장치

Also Published As

Publication number Publication date
KR20200031898A (ko) 2020-03-25
US20200091887A1 (en) 2020-03-19
CN110912527A (zh) 2020-03-24
KR102691871B1 (ko) 2024-08-02
US10749493B2 (en) 2020-08-18

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